DC-DC Step-Down Converter 12V 10A 120W | 20–90V Wide Input
DC-DC Step-Down Converter 12V 10A 120W | 20–90V Wide Input
DC-DC Step-Down Converter – 12V Output, 10A, 120W | 20–90V Wide Input Range
Power your automotive electronics, instruments, LED displays, and more with confidence. This compact DC-DC buck converter delivers a rock-steady 12V / 10A (120W) output from a wide 20V–90V input range, making it ideal for 24V, 36V, 48V, 60V, and 72V DC systems. Built with an IP68-rated aluminum housing, it thrives in demanding environments where reliability is non-negotiable.
Made in Mainland China.
Key Features
- Wide Input Range (20V–90V): Compatible with nominal voltages of 24V, 36V, 48V, 60V, and 72V — one converter for many systems.
- High Conversion Efficiency (≥96%): Synchronous rectification technology minimizes energy waste and heat generation.
- Ultra-Low Ripple Noise (<50mV): Delivers clean, stable power for sensitive instrumentation and electronics.
- Fast Startup (≤2s): Reaches stable output quickly for uninterrupted operation.
- Multi-Layer Protection: Built-in safeguards for short circuit, overcurrent, overvoltage, and over-temperature conditions.
- IP68 Waterproof Rating: Fully sealed aluminum shell withstands moisture, dust, and harsh operating environments.
- Compact & Lightweight: 74 × 74 × 32 mm, approx. 280 g — easy to mount in tight spaces.
- Natural Cooling: No fan required; fanless design means zero noise and zero moving parts.
Specifications
| Input Voltage Range | 20V–90V DC |
| Nominal Input Voltages | 24V / 36V / 48V / 60V / 72V DC |
| Output Voltage | 12V DC |
| Output Current | 10A |
| Output Power | 120W |
| Conversion Efficiency | >95% (up to ≥96%) |
| Ripple Noise | <50mV |
| No-Load Regulation | ±1% |
| Load Regulation | ±5% |
| Operating Temperature | -25°C to 80°C |
| Waterproof Rating | IP68 |
| Casing Material | Aluminum |
| Color | Silver |
| Dimensions | 74 × 74 × 32 mm |
| Weight | Approx. 280 g |
| Cable Length | 13–14 cm |
| Cooling Method | Natural (fanless) |
| Protection Functions | Short Circuit, Overcurrent, Overvoltage, Over-Temperature |
| Country of Origin | Mainland China |
Typical Applications
- Automotive & vehicle electronics (cars, trucks, RVs, golf carts)
- Railway signaling systems
- Industrial instrumentation & control panels
- LED displays, LED strips, and copper wire lighting
- CATV systems
- Solar power and off-grid DC systems
- Telecom and monitoring equipment
What's in the Box
- 1 × DC-DC Step-Down Power Converter (12V / 10A / 120W)
Note: Colors may vary slightly due to monitor settings. Allow a small tolerance for manual measurements.
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Frequently Asked Questions
Q: What input voltage does this DC-DC step-down converter support?
A: This buck converter accepts a wide DC input range of 20V to 90V, covering nominal system voltages of 24V, 36V, 48V, 60V, and 72V. This makes it highly versatile for automotive, industrial, and renewable energy applications.
Q: Is this converter waterproof? Can it be used outdoors or in harsh environments?
A: Yes. The converter carries an IP68 waterproof rating and is housed in a sealed aluminum shell, making it suitable for outdoor installations, engine bays, marine environments, and other locations exposed to moisture, dust, or vibration.
Q: Does this step-down converter have built-in protection features?
A: Absolutely. It includes comprehensive protection against short circuits, overcurrent, overvoltage, and over-temperature conditions — safeguarding both the converter itself and any connected equipment from damage.
Q: What is the output specification of this DC power converter?
A: The converter outputs a stable 12V DC at up to 10A, for a maximum continuous power of 120W. Ripple noise is kept below 50mV, ensuring clean power delivery for sensitive electronics and instrumentation.